Electronic components usually use currents that are less than 1 amp. The progressive decay with time in the amplitude of the free oscillations in a circuit. One milliamp is equivalent is one thousandth of an amp. Appendix a contains the standard symbols used in electrical and electronic diagrams. Electrical engineering is an engineering discipline concerned with the study, design and application of equipment, devices and systems which use electricity, electronics, and electromagnetism. The ball slides within a bored cylinder, against the pressure of a spring, which pushes the ball against the detent, a hole of smaller diameter than the ball.
Glossary of power transformer terms photo by radar. Sqc sr sram srf ss ssc ssop standard definition te. A dictionary of electrical words, terms and phrases survivor library. Ammeter an instrument for measuring the flow of electrical current in amperes. Electrician certification glossary of terms 1 of 26. A abbreviation for ampere a unit of electrical current absorption loss or dissipation of energy as it travels through a medium, example. One watt is equivalent to one joule per second, corresponding to the power in an electric circuit in which the potential difference is one volt and the current one ampere.
Glossary of electrical terms electrical repairs electrical. Short for ampere, an amp is a unit used to measure the rate of flow of an electric current. Copper wiring is the most widely used electrical conductor. Engineering calculations, or modeling, determine the arc flash protection boundary and the incident energy level exposure to workers, as part of an. Capacitors are made from two electrical conductors separated by an insulator. Alternating current ac the type of mains electricity used in the uk having a cyclical current waveform. Stb stc step down dc dc step down regulator step down switcher stepdown dc dc stepup dcdc storage area network strobe subscriberloopinterf. Guidebook for incorporating sustainability into traditional airport projects. Glossary of terms ampere the measurement of intensity of rate of flow of electrons in an electric circuit.
This glossary of electrical and electronics engineering pertains specifically to electrical and electronics engineering. Electrical engineering glossary of electronic terms, letter a definitions including technical drawings when required to assist in the description. Electrical parts and materials should be approved for the specific project and. In total, more than 1500 terms were added, updated, expanded, improved, or corrected, resulting in a dictionary with over 11,000 terms and abbreviations related to electrical engineering. Mathematics beyond the highschool level has not been used. The amount of energy being used by a household or business over any given time period. In electrical engineering, the term actuator refers to a mechanism that causes a device to be turned on or off, adjusted or moved.
Comprehensive dictionary of electrical engineering editorinchief phillip a. It emerged as an identifiable occupation in the latter half of the 19th century after commercialization of the electric telegraph, the telephone, and electrical power generation, distribution and use. A branch of electrical science dealing with the laws of electricity at rest. Identify the electrical circuits found in the project area, turn them off and tag them with a note before working with the electrical wiring. The glossary presented in this document has been endorsed by ireb as the standard glossary of terms for the cpre. Electrical engineering became a profession in the later 19th century. Pictorial glossary the pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry.
Electropedia is the worlds most comprehensive online terminology database on electrotechnology, containing more than 22 000 terminological entries in english and french organized by subject area, with equivalent terms in various other languages. Glossary all terms and definitions listed alphabetically. Terminologies are different for different sorts of fields of life like medical, sciences, information technology, engineering like mechanical, electrical and civil engineering. For your convenience, ehazard has put together a list of terms commonly used in relation to the electrical industry and electrical and arc flash safety. National academies of sciences, engineering, and medicine. This type of current is commonly supplied by power companies. Every effort has been made to be concise and accurate, without talking down to the. Ampere amp or a a unit of electrical current, or flow of electrons, that is equal to a charge of 1 coulomb moving through or across a conductor. Electropedia also known as the iev online contains all the terms and definitions in the international electrotechnical vocabulary or iev which is published also. Richard liew pdf download 12 september 2019 20190912t15. Pdf comprehensive dictionary of electrical engineering. The civil engineering handbook new directions in civil engineering 2nd edition by w. Glossary of electrical and electronics engineering wikipedia. The abbreviations ac and dc are often used to mean simply alternating and direct.
Dictionary of electronics and electrical engineering. Glossary dictionary of electronics terms hobby projects. Over 5,200 entriesthis popular dictionary, formerly published as the penguin dictionary of electronics, has been extensively revised and updated, providing clear, concise, and jargon free az entries on key terms, theories, and practices in the areas of electronics and electrical science. A free electron leaves a void, which can be filled by an electron forced out of its orbit from another atom. The abbreviations ac and dc are often used to mean simply alternating and direct, as when they modify current or voltage. Adapter a cord or block style device with different ends that allows different devices to connect ac alternating current. The dictionary is organized like a standard language dictionary except that not every word used in the dictionary. This popular dictionary, formerly published as the penguin dictionary of electronics, has been extensively revised and updated, providing clear, concise, and jargonfree az entries on key terms, theories, and practices in the areas of electronics and electrical science.
This is a great resource for electricians and people who work around electricity. This highvoltage vocabulary list covers circuits, conductors and insulators, electromagnetism, energy, and much more. Electrical parts and materials should be approved for the specific project and compliant with local and national electrical codes. Comprehensive dictionary of electrical engineering 2nd edition by crc phillip a. Practitioners had created a global electric telegraph network and the first professional electrical engineering institutions were founded in the uk and usa to support the new discipline. Ieee standard glossary of software engineering terminology. Normally used in uk houses at 240v rms alternating at 50 times per second 50 hertz. This dictionary glossary of engineering terms has been compiled to compliment the work developed as part of the multidisciplinary design project mdp, which is a programme to develop teaching material and kits to aid the running of mechtronics projects in universities and schools. A fitting that permits access to conductors in concealed. Free download dictionary of computer science engineering and technology keywords. Index of electrical engineering terms maxim ee glossary. Seventh edition modern dictionary of electronics free. Electrical energy is measured in wattseconds the product of power.
A unit of electrical resistance through which a current of 1 ampere will flow when there is a potential difference of 1 volt across it. Electric current in which the flow of electric charge periodically reverses direction, whereas in direct current dc, also dc, the flow of electric charge is only in one direction. Dictionary of computer science engineering and technology author. Electropedia is produced by the iec, the worlds leading organization that prepares and publishes international standards for all electrical, electronic and related technologies collectively known as electrotechnology.
The electrical deposition of metallic ions as neutral atoms on an electrode immersed in an electrolyte. Glossary of electrical engineering terms and definitions listed alphabetically. Understanding electricity requires knowledge of these basic electrical terms. As free electrons move from one atom to another, an electron flow is produced. A 911 nineoneone system causes a person dialing the. The illustrated dictionary of electronics8th editionhas been revised, clarified, and updated, reflecting technological advances of recent years. Technical electrical engineering glossary of electronic terms da including technical graphics. An electrical device for measurement of a quantity under observation or for presenting a characteristic of the quantity. Battery a device that stores and produces electricity from chemical cells. Conductor a material that allows the free flow of electric charge. Dec 15, 20 terminologies are different for different sorts of fields of life like medical, sciences, information technology, engineering like mechanical, electrical and civil engineering. Dictionary of mechanical engineering oxford reference.
A glossary list made up of common terms and phrases used by professionals in the electrical industry. The amount of physical work a system is capable of doing. Electrician certification glossary of terms english spanish. For a more thorough explanation, please inquire with cep. This dictionaryglossary of engineering terms has been compiled to compliment the work developed as part of the multidisciplinary design project mdp, which is a programme to develop teaching material and kits to aid the running of mechtronics projects in universities and schools. Glossary all terms and definitions listed alphabetically maxim. Dictionary of electronics and electrical engineering oxford. Standing wave ratio star ground star point static ram statistical process co. An ampere is the amount of current that will flow through a resistance of one ohm under a pressure of one volt ampere rating the currentcarrying capacity of a fuse. Capacitor a basic electrical component that stores electric charge. Sep, 2016 energy can take many forms, including mechanical, electrical, electromagnetic, chemical, thermal, solar and nuclear. A dictionary of electronics and electrical engineering is the most uptodate quick.
Home electronic tutorials glossary dictionary of electronics terms a. A glossary of electrical terms become an electrician electricians are skilled tradespeople working in a variety of different residential and industrial settings. Watthour wh a unit of electrical energy equivalent to a power consumption of one watt for one hour. Arabic, chinese, czech, finnish, german, italian, japanese, korean, norwegian bokmal and. Iec 60050 international electrotechnical vocabulary. One amp is produced by an electric force of 1 volt acting across a resistance of 1 ohm. The characteristics of an electrical or electronic device that exhibits opposite quantities, normally positive and negative, within itself. Ac drive an electronic device used to control the speed of an ac motor. Electron theory the theory which explains the nature of electricity and the exchange of free electrons between atoms of a conductor. This engineering dictionary compendium offers you dictionaries and glossaries with detailed explanations and definitions of terms, phrases, acronyms and abbreviations related to engineering. Ammeters are always connected in series with the circuit to be tested.
Dictionary of electronic and engineering terms, dictionary. A control transformer is described as a power limited because the nameplate va rating is the maximum power that will be dissipated from the transformer core in the form of heat should the. Alternating current ac an electric current that reverses its direction many times a second at regular intervals. Glossary of software engineering terms shell method process. You can help enhance this page by adding new terms or writing definitions for existing ones. Ieee std 7291983, ieee standard glossary of software engineering terminology ansi l31. Ieee standard glossary of software engineering terminology ieee std 61 0. Over 7,400 entriesthis new dictionary provides definitions and explanations for mechanical engineering terms in the core areas of design, stress analysis, dynamics and vibrations, thermodynamics, and fluid mechanics, in over 7,400 clear and concise a to z entries, many illustrated. That is why we created this short glossary of mustknow power monitoring and electrical terms. Electrical telegraphy may be considered the first example of electrical engineering.
A 911 nineoneone system causes a person dialing the national emergency number 9. Glossary of terms construction electrical products. A few terms that were included in the initial glossary have. Topics covered include heat transfer, combustion, control, lubrication, robotics, instrumentation, and measurement. In our everyday life we as a civil engineers need to memorize alot of words and terms which some times is difficult task. While an effort has been made to avoid superfluous mathematics, equations are sometimes necessary to completely and effectively define a term. Engineers use engineering notation a subset of scientific notation to avoid using fractions. A mechanical or electrical technique used in synchro receivers to prevent the rotor from oscillating or spinning.
Printed in the united states of america on acidfree paper. A vocabulary list featuring electrical engineering. English spanish electronics, electricity dictionaries. R vi, where r represents electrical resistance, v represents electrical potential, and i represents electrical current, potential energy. Energy can take many forms, including mechanical, electrical, electromagnetic, chemical, thermal, solar and nuclear. New definitions have been added in the fields of wireless technology, robotics, and artificial intelligence. This engineering dictionary compendium offers you dictionaries and glossaries with detailed explanations and definitions of terms, phrases, acronyms and. The goal is to establish standardized, highquality instruction and continuing training in requirements engineering, thereby improving the practice of requirements engineering. Ac alternating current acts as it implies, the current flows in one direction and then back the other. Drypack, drypack is a method for packing integrated circuits in a moisturefree environment. Appendix a glossary of terms and definitions guidebook.
Common mechanical engineering terms ball and detent n a simple mechanical arrangement used to hold a moving part in a temporarily fixed position relative to another part. Certified professional for requirements engineering glossary 12 z the glossary consists of two parts. Terms that are underlined and italicized are included in the glossary as a separate definition. A selection of english spanish electronics, electricity dictionaries, glossaries and terminologies compiled by lexicool. Electrician certification glossary of terms electrical nonmetallic smurf tube. I hope that both learners and professionals in requirements engineering will find this structure useful and consider consulting the glossary to be worthwhile.
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